Yihao Chai

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Colour changing composition in O/W emulsion form
- Patent number 9,668,949
- Issue date Jun 6, 2017
- L'Oreal
- Yihao Chai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
COLOUR CHANGING COMPOSITION IN O/W EMULSION FORM
- Publication number 20140341987
- Publication date Nov 20, 2014
- L'Oreal
- Yihao Chai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE